Home / 218,078.10-326,592.27-147,744.18

Finding the Fourth Proportional to 218,078.10, 326,592.27 and 147,744.18

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Solution

The fourth proportional to 218,078.10, 326,592.27 and 147,744.18 is: 221,260.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,078.10 : 326,592.27 = 147,744.18 : x
  2. Step 2: Convert to fraction form
    218,078.10/326,592.27 = 147,744.18/x
  3. Step 3: Cross multiply
    218,078.10x = 326,592.27 × 147,744.18
  4. Step 4: Simplify right side
    218,078.10x = 48,252,107,125.49
  5. Step 5: Solve for x
    x = 48,252,107,125.49/218,078.10
  6. Step 6: Final answer
    x = 221,260.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.